Unannounced Arctic MX-5 thermal paste spotted

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Jan 20, 2021.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    The compound series has taken legendary forms by now, as everybody recognizes it. However, previously undiscovered Arctic MX-5 thermal paste has been spotted, and it seems a new revision is to be rel...

    Unannounced Arctic MX-5 thermal paste spotted
     
  2. cucaulay malkin

    cucaulay malkin Master Guru

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    I used it once and it tends to create uneven spread over time.Same happened to nth1.It's like they spread too much towards the edge instead of solidifying contact area.I can't remember the term for this.
    BQ dc1 was better.No contact degradation over 3 years.

    planning to get a 10700F soon,along with an aio.need a good TC recommendation but I'm not gonna use mx5 cause of my experience with mx4 over time.
     
    Last edited: Jan 20, 2021
  3. Stairmand

    Stairmand Master Guru

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    We've used MX4 for all our in house builds for the last 6 years or so. Not had any reason to stop so far.
     
  4. SmootyPoody

    SmootyPoody Active Member

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    Kryonaut.. The stuff is fantastic. https://www.thermal-grizzly.com/en/products/16-kryonaut-en There's also an "extreme" version with better performance. I dont think its meassurable in practical tho.. But if its the same price, go for it.
     
    cucaulay malkin likes this.

  5. cucaulay malkin

    cucaulay malkin Master Guru

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    I heard it scratches the surface of the cooler and ihs
     
  6. fatboyslimerr

    fatboyslimerr Member

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    I've used the same 20g tube of MX-4 on every build I've done for around the last 5 years. Maybe 15-20 builds total, including many many repastes.
    No scratches, no cracks but I do spread the paste evenly on the cpu and cooling surface each time.

    Can't wait for this if it has increased thermal conductivity.
     
  7. Stairmand

    Stairmand Master Guru

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    It's what I use in my personal stuff. Seems pretty decent.
     
  8. Stairmand

    Stairmand Master Guru

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    I've got a couple of old Ryzen 1xxx and 2xxx for doing BIOS updates. They have been pasted/removed and reused more than 30+ times each. No scratches.
     
  9. Tmehrl

    Tmehrl New Member

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  10. Mufflore

    Mufflore Ancient Guru

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    There will be movement where a surface isnt flat.
    I suggest the core you are applying paste to has a convex curve.
    This will be the reason paste migrates away from the centre, the centre is pressed hard to the heatsink holding the rest of the core away, preventing anything but the centre from having very close contact. This leaves a space which the paste fills.
     

  11. Astyanax

    Astyanax Ancient Guru

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    hence why properly researching your coolers baseplate is a must,
     
  12. cucaulay malkin

    cucaulay malkin Master Guru

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    I have a d15s
    like I said,there was no problem on dc1
     
  13. Mufflore

    Mufflore Ancient Guru

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    Nevertheless, it cant happen like that unless the situation is as described.
    If DC1 is pretty thick and sets in place quickly, that might be why you see it as an even spread, but you can be sure the paste will be deeper at the edges still.
     
  14. cucaulay malkin

    cucaulay malkin Master Guru

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    maybe I overtightenerd my cooler and dc1 took it better
    should I leave 1/4 of a turn next time ?
    or use the cross/lines method instead of a drop in the center
     
  15. Mufflore

    Mufflore Ancient Guru

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    Stick to the recommended (or as sensible as can be) tightness for your core and cooler.
    Its ok, actually preferable, for a curved core centre to be in contact with the cooler, as happens with thinner pastes.
    Tightening a lot beyond that could crack it though.
    Before I knew about this I did some incredibly tight heatsink mounting and didnt suffer any issues, but that doesnt lessen the risk.
    Every new core and each manufacturers cores can have a different construction + ability to withstand overtightening, go careful.

    As long as the whole die has paste on it, except perhaps the area touching the heatsink, you cant do better. Always apply it to the curve centre though, it will spread naturally.
    You cant change the eventual dispersion of paste by applying it differently, only affect whether the core gets well covered which seems like it was so no worries.
     

  16. abula

    abula Master Guru

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    Would be nice to test Arctic MX-5 vs Thermal Grizzly Kryonaut Extreme vs Kingpin cooling KPx
     
  17. GeniusPr0

    GeniusPr0 Maha Guru

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    Thermalright tfx as well
     
  18. Pictus

    Pictus Member Guru

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  19. SmootyPoody

    SmootyPoody Active Member

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    what is "it"?
     
  20. cucaulay malkin

    cucaulay malkin Master Guru

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    kyronaut
     

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